1 files changed, 111 insertions, 0 deletions
diff --git a/share/build-scripts/debconf.d/0002-preseed-debconf b/share/build-scripts/debconf.d/0002-preseed-debconf
new file mode 100755
index 0000000..4bc4da6
--- /dev/null
+++ b/share/build-scripts/debconf.d/0002-preseed-debconf
@@ -0,0 +1,111 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+set -e
+
+if [ -e "${DEBCONF_TMPDIR}/debconf.default" ]
+then
+	. "${DEBCONF_TMPDIR}/debconf.default"
+fi
+
+if [ -z "${PRESEED_FILE}" ]
+then
+	# user has not specified or selected any preseed files
+	exit 0
+fi
+
+# user has one or more preseed file specified through commandline option
+# or debconf selection dialog.
+PRESEED_FILES="$(echo ${PRESEED_FILE} | sed -e 's|,| |g')"
+
+DEBCONF_PRESEED_FILES=""
+
+for PRESEED_FILE in ${PRESEED_FILES}
+do
+	if [ ! -e "${PRESEED_FILE}" ]
+	then
+		# preseed file does not exist
+		echo "W: ${PRESEED_FILE}: No such file."
+
+		continue
+	fi
+
+	# add preseed file to debconf
+	DEBCONF_PRESEED_FILES="${DEBCONF_PRESEED_FILES} ${PRESEED_FILE}"
+
+	if ! grep -qs '^ *compute-tools *container/include-preseed-files' "${PRESEED_FILE}"
+	then
+		# preseed file has no includes
+		continue
+	fi
+
+	# preseed file has includes
+	INCLUDE_PRESEED_FILES="$(grep '^ *compute-tools *container/include-preseed-files' ${PRESEED_FILE} | awk '{ $1=$2=$3=""; print $0 }' | sed -e 's|,| |g')"
+
+	# only one include layer is supported, no nested/recursive includes
+	for FILE in ${INCLUDE_PRESEED_FILES}
+	do
+		if [ -e "${FILE}" ]
+		then
+			DEBCONF_PRESEED_FILES="${FILE} ${DEBCONF_PRESEED_FILES}"
+		else
+			# included preseed file does not exist
+			echo "W: ${INCLUDE_PRESEED_FILE}: No such file - included from ${PRESEED_FILE}"
+		fi
+	done
+done
+
+for DEBCONF_PRESEED_FILE in ${DEBCONF_PRESEED_FILES}
+do
+	if [ -e /usr/bin/kdig ]
+	then
+		DIG="/usr/bin/kdig"
+	elif [ -e /usr/bin/dig ]
+	then
+		DIG="/usr/bin/dig"
+	fi
+
+	if [ -n "${DIG}" ]
+	then
+		IPV4_ADDRESS1="$(${DIG} A +short ${NAME} | tail -n1)"
+		IPV4_ADDRESS1_PART1="$(echo ${IPV4_ADDRESS1} | cut -d. -f1)"
+		IPV4_ADDRESS1_PART2="$(echo ${IPV4_ADDRESS1} | cut -d. -f2)"
+		IPV4_ADDRESS1_PART3="$(echo ${IPV4_ADDRESS1} | cut -d. -f3)"
+		IPV4_ADDRESS1_PART4="$(echo ${IPV4_ADDRESS1} | cut -d. -f4)"
+
+		IPV6_ADDRESS1="$(${DIG} AAAA +short ${NAME} | tail -n1)"
+	fi
+
+	sed -e "s|@NAME@|${NAME}|g" \
+	    -e "s|@IPV4_ADDRESS1@|${IPV4_ADDRESS1}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART1@|${IPV4_ADDRESS1_PART1}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART2@|${IPV4_ADDRESS1_PART2}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART3@|${IPV4_ADDRESS1_PART3}|g" \
+	    -e "s|@IPV4_ADDRESS1_PART4@|${IPV4_ADDRESS1_PART4}|g" \
+	    -e "s|@IPV6_ADDRESS1@|${IPV6_ADDRESS1}|g" \
+	"${DEBCONF_PRESEED_FILE}" > "${DIRECTORY}/preseed.cfg"
+
+	# Apply user specified preseed files
+	debconf-set-selections "${DIRECTORY}/preseed.cfg"
+
+	rm -f "${DIRECTORY}/preseed.cfg"
+done
+
+# Write expanded list of debconf preseed files
+echo "PRESEED_FILE=\"${DEBCONF_PRESEED_FILES}\"" >> "${DEBCONF_TMPDIR}/debconf.default"